PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS955 TY1CL1STCSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-429-6436 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-429-6436 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-429-6436. Primary manufacturer part number: AS955 TY1CL1STC.
Features
  • Socket,socket Wrench — FSC 5120
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: INTERNAL-INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-429-6436, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-429-6436
Primary Part NumberAS955 TY1CL1STC
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Features ProvidedMANUAL TOOL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size16.0 MILLIMETERS NOMINAL SINGLE END MM
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-923-913144463 INTERCHANGEABLE
Gear,spur
L3harris Technologies, Inc. Div Space and Airborne Systems
5330-00-997-612544443 INTERCHANGEABLE
Gasket
Jenny Products, Inc
5950-01-181-6641 INTERCHANGEABLE
Transformer,power
6515-01-297-8683NC12716 INTERCHANGEABLE
Gun,heat,orthopedic
North Coast Medical, Inc.
5331-01-640-968044443 INTERCHANGEABLE
O-Ring
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
AS955 TY1CL1STC General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
AS955 Sae International Dba Sae International (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
9-44443 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
AS955 Society of Automotive Engineers Inc (USA)
44443 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
46-16MM Wright Tool Company, Llc (USA)
00944443000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
3020-00-923-9131INTERCHANGEABLE
GEAR,SPUR
44463
5330-00-997-6125INTERCHANGEABLE
GASKET
44443
5950-01-181-6641INTERCHANGEABLE
TRANSFORMER,POWER
6515-01-297-8683INTERCHANGEABLE
GUN,HEAT,ORTHOPEDIC
NC12716
5331-01-640-9680INTERCHANGEABLE
O-RING
44443

Frequently Asked Questions

What is NSN 5120-01-429-6436?

NSN 5120-01-429-6436 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-429-6436?

NSN 5120-01-429-6436 has 9 cross-referenced part numbers: AS955 TY1CL1STC (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International), AS955 (Sae International Dba Sae International), AS954 TY1CL1STB (General Services Administration Federal Supply Service), 9-44443 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial) and 4 more.

What NSN replaces 5120-01-429-6436?

There are 5 known substitutes for 5120-01-429-6436: 3020-00-923-9131, 5330-00-997-6125, 5950-01-181-6641 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS955 TY1CL1STC?

Key specifications for AS955 TY1CL1STC: Overall Length: 76.0 MILLIMETERS MINIMUM MM; Features Provided: MANUAL TOOL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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